/*
 * Copyright (C) 2024-2025 Sermant Authors. All rights reserved.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

package io.sermant.xds.common.utils;

import java.util.Random;

/**
 * Random util
 *
 * @author zhp
 * @since 2024-12-05
 */
public class RandomUtil {
    private static final Random RANDOM = new Random();

    private RandomUtil() {
    }

    /**
     * Generate random numbers
     *
     * @param min The minimum value of a random number
     * @param max The maximum value of a random number
     * @return random numbers
     */
    public static int randomInt(int min, int max) {
        return RANDOM.nextInt(max - min) + min;
    }

    /**
     * Generate random numbers
     *
     * @param max The maximum value of a random number
     * @return random numbers
     */
    public static int randomInt(int max) {
        return RANDOM.nextInt(max);
    }
}
